Secret Lake - The Return

An adventurous story about time travel, true friendship, and great courage.
Exactly one year ago, Stela and Tom discovered a time tunnel and made new friends in the past – Ema, Lucie, and Janek. Now, it seems the tunnel will never open again. But everything changes when Ema falls gravely ill. Her best friend Lucie travels to the future to find Stela and Tom and get the medicine she needs.
Will the children manage to save Ema together? And can Stela and Tom stop Janek from boarding what was then the world's largest ocean liner, the Titanic, whose tragic fate they know all too well?